Those have to be from the specialty grains, LME wouldn't have any hulls in it.
It will be fine, if you're using a siphon with a cap on the end it should filter them out. If you're really concerned you can always sanitize a muslin bag and put it over the end of your siphon to make sure...
They aren't tablets, they're capsules. These are the ones I got. http://amzn.com/B005LQYR9I
I pulled the capsule open and poured the contents into a glass of water and wasn't able to get them to dissolve. The bottle does say that the ingredients are caffeine, gelatine (capsule) and rice flour...
I've got an old 2 1/2 gallon keg I don't use so I thought I'd make some caffeinated root beer to keep on tap.
I bought some Zatarain's extract and some pure caffeine capsules (200mg) to give it a shot. Luckily I decided to test dissolving the contents of the caffeine capsules in water prior...
I have a 10 gallon keggle HERMS system and have had a hard time sparging lately.
Everything looks and acts normally during the mash. The grain bed is set, the wort is clear you can see the grain bed through the wort. When I start heating the mash up for mash out a large amount of grain starts...